CN110723341A - State monitoring method for visual appearance detection device in online production process of cigarette packaging machine - Google Patents
State monitoring method for visual appearance detection device in online production process of cigarette packaging machine Download PDFInfo
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- CN110723341A CN110723341A CN201910974366.1A CN201910974366A CN110723341A CN 110723341 A CN110723341 A CN 110723341A CN 201910974366 A CN201910974366 A CN 201910974366A CN 110723341 A CN110723341 A CN 110723341A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
- B65B19/28—Control devices for cigarette or cigar packaging machines
Abstract
The invention provides a method for monitoring the state of a visual appearance detection device in the online production process of a cigarette packaging machine, which comprises the following steps: correlating the image of each small packet with the identification information, and if the appearance detection result of the cigarette packet is normal, entering the next procedure for the cigarette packet; if not detected normally, it should be rejected here; whether the packet is normal or not, pictures and information records named by the packet identification information should exist; the small packages are transferred to the last step before entering the large packages, and the repeated reading identification analysis device is deployed at the last step, so that the identification information of each small package is sequentially read and stored in the central control system; and the central control system searches the identification information read in the step 4) to the pictures and the information stored in the step 3) one by one, and if the information can be matched, the appearance detection device works normally.
Description
Technical Field
The invention relates to the field of cigarette packet appearance quality control, in particular to a state monitoring method of an industry packaging machine visual appearance detection device.
Background
The product in the cigarette production enterprise is a cigarette, and with the upgrade of consumption, the requirement of a consumer on the product in the cigarette production enterprise is higher and higher, for example, when the consumer takes the cigarette product, the first action is often the appreciation of an external package, and a pack of cigarettes with exquisite appearance is undoubtedly close and liked to the feeling of the consumer, so that the appearance of the cigarette should fully meet the psychological requirement of the consumer from the aspects of aesthetics and quality.
Under the background, currently, in the tobacco industry, the technical development of the appearance quality of cigarette products is divided into 2 lines, the 1 st line is in the aspect of appearance design, and the appearance design of cigarette production enterprises must fully consider the factors of consumer groups, enterprise culture, regional characteristics and the like faced by the enterprise products; the 2 nd line is that in the production process of cigarette products, in the aspect of guaranteeing the appearance quality of cigarettes, especially in the method of the appearance quality of cigarette packs, a method of installing a visual appearance detection device based on a visual technology, or also called a CCD, or also called an imaging technology, and the like on single detection points of different steps (the installation in different steps is for detecting six faces of cigarette packs, because a certain part of a cigarette pack can only be detected at a certain part of a cigarette packing machine) is generally adopted by cigarette production enterprises, and after more than 10 years of technical development, the overall technical level is mature at present. Such as a cigarette packet appearance detecting device (CN 201320328573.8), etc., which is also common practice in the tobacco industry. Based on the background technology, people can clearly feel that the visual appearance detection device is important equipment for guaranteeing the quality of cigarette packets, and the stable operation of the visual appearance detection device is very important. However, even if the product with unqualified appearance quality flows into the market, cigarette manufacturers suffer market complaints, and the complaints generally account for more than 80% of the total market complaints of the cigarette manufacturers. Why so many appearance detection devices are installed, or the root cause of market complaints about the quality of appearance cannot be completely avoided, mainly 2 points: 1) the appearance quality detection device is suddenly and integrally failed in the process, a timely signal prompt cannot be sent, when the appearance quality detection device is to be found, batch products flow into the next process, and sometimes timely tracing cannot be completely traced; 2) the appearance detection device does not detect part of the product, and the time when the adverse event occurs is the maximum risk time point when the product is possibly poor and cannot be detected. For example, if the complaint odds of a company is 0.04ppm, it is theoretically impossible to configure such a sufficient appearance inspection device even with 0.04ppm, but the unforeseen or perceived failure of the appearance inspection device occurs.
Therefore, under the rapid development of intelligent manufacturing, a technical means is needed to solve the above technical problems and provide further guidance for quality improvement of the lean manufacturing process.
With the development of identification analysis technology and the emergence of national laws and regulations and industry requirements, it is becoming a popular practice to mark cigarette packages with corresponding identifications, such as RFID, NFC, one-dimensional bar code, two-dimensional bar code, etc., wherein the identifications contain related industry requirement information and customized information of cigarette industry enterprises, but at least contain unique identification of each cigarette packet, which is also a basic requirement for identification analysis.
Disclosure of Invention
Aiming at the technical problems, the invention designs a method for monitoring the state of the appearance detection device of the packaging machine in real time based on the identification analysis, and can monitor two faults of failure and missed detection of the appearance detection device in real time.
Specifically, the embodiment of the invention provides a method for monitoring the state of a visual appearance detection device in the online production process of a cigarette packaging machine, which is characterized by comprising the following steps:
step 1), completing self-checking of a control system of a packaging machine, completing self-checking of a visual appearance detection device, and starting packaging equipment;
step 2) the tobacco bale is transported to a process step provided with a visual appearance detection device and an identification analysis device, the visual appearance detection device shoots an image of the bale, and the identification analysis device reads identification information of the bale and stores the identification information in a central control system;
step 3) the central control system associates the image and the identification information of each packet, the name of each image contains the identification information, and the image file is stored and the information is recorded in an information table; if the appearance detection result of the tobacco bale is normal, the tobacco bale enters the next procedure; if the detection is abnormal, the small packet is rejected at the position; whether the packet is normal or not, pictures and information records named by the packet identification information should exist;
step 4), the small packages are transferred to the last step before entering the large packages, and a repeated reading identification analysis device is deployed at the last step, so that the identification information of each small package is sequentially read and stored in a central control system;
step 5) the central control system searches the identification information read in the step 4) to the pictures and the information stored in the step 3) one by one, and if the information can be matched, the appearance detection device works normally; if 1 piece of information cannot be retrieved, the appearance detection device is indicated to be sporadically missed; if continuous information is not retrieved, the appearance detection device is indicated to generate continuity failure.
And 6) writing the monitoring result into an information table so as to facilitate information tracing.
Preferably, the identifier is an RFID, two-dimensional code or NFC tag.
The invention also provides a state monitoring system of the visual appearance detection device in the online production process of the cigarette packaging machine, which comprises the following components:
visual appearance inspection means mounted upstream of the packaging machine for taking images of the packets;
the identification analysis device and the repeated reading identification analysis device are arranged in the same working step, and the repeated reading identification analysis device is arranged in the last working step before the small packet is transported to enter the large packet and is used for reading the identification information of the small packet;
the central control system is used for associating the image of each packet with the identification information read by the identification analysis device, the name of each picture contains the identification information, an image file is stored, and the information is recorded in an information table; if the appearance detection result of the tobacco bale is normal, the tobacco bale enters the next procedure; if the detection is abnormal, the picture and the information record named by the packet identification information are rejected at the position, however, whether the picture and the information record are normal or not;
the central control system searches the identification information read by the repeated identification analysis device one by one with the stored pictures and information, and if the information can be matched, the appearance detection device is indicated to work normally; if 1 piece of information cannot be retrieved, the appearance detection device is indicated to be sporadically missed; if continuous information is not retrieved, the appearance detection device is indicated to generate continuity failure.
By the invention, sudden failure faults of the appearance detection device can be detected in real time; the missed detection fault of the appearance detection device can be detected in real time; the cigarette packaging product can be ensured to be detected by 100%;
in addition, according to the monitoring result obtained by the invention, the device with high monitoring failure rate can be preventively maintained in the production interval; finally, the invention can play a positive role in guaranteeing the reduction of the complaint odds handling rate.
Drawings
FIG. 1 is a diagram of the method steps provided by the present invention;
FIG. 2 is a schematic structural diagram of a visual inspection apparatus and an identification analysis apparatus according to the present invention;
fig. 3 is a schematic structural diagram of a conventional tobacco bale packet;
fig. 4 is a representation of information provided by the present invention.
Detailed Description
Note: the data related to quality in the present embodiment are only for the purpose of helping the skilled person reading the present invention to better understand the objects and technical solutions of the present invention, and do not have the specific meaning of representing any product information.
For better understanding of the technical solutions and objects of the present invention, the following description will be made with reference to the accompanying drawings.
In the description process of the technical scheme, the following tobacco industry publicly known are included: 1) the packaging machine is divided into an upstream machine, a downstream machine and belts connected with the upstream machine and the downstream machine, wherein the upstream machine A, the belts B and the downstream machine C are called; 2) the cigarette packet generally has six faces, and each industrial enterprise can deploy a visual appearance detection device to detect the appearance in different steps, wherein the visual appearance detection device is specifically deployed for a plurality of places, the schemes of each industrial enterprise are slightly different, but the technical principles are consistent; in order to realize the technical scheme, the mark is attached to any one or more of six surfaces of the small bag, as shown in fig. 3, one surface or multiple surfaces of the small bag of the cigarette packet are provided with the mark; 2) the information carried by the marks on the same small bag is consistent; the implementation is used for the cigarette packaging process of a ZB45 packaging machine produced by Shanghai tobacco machinery Limited liability company, and particularly provides a state monitoring method of a visual appearance detection device in the online production process of the cigarette packaging machine; as shown in fig. 2, the machine type is a key and mainstream production device in the current tobacco industry, the production speed is 400 packets/min, and the machine type is respectively composed of a small packet machine, a small packet transparent paper machine and a large strip packaging machine, wherein the small packet machine is used for conveying small packets by a fixed working step, the small packet machine and the small packet transparent paper machine are conveyed by a belt, the small packet transparent paper machine is used for conveying by a fixed working step, the arrangement schematic diagram is shown in fig. 2, and an identification analysis device is installed in the same working step of installing a visual appearance detection device; the visual appearance detection device and the identification analysis device are arranged at the upstream of the small box transparent paper packaging machine, and the repeated identification analysis device is arranged at the last step before the small packet is transported to enter a large packet.
The packet of cigarettes is generally a cube, consisting of six faces (I-VI), schematically illustrated in figure 3, 1-sign. In this embodiment, in order to better enable a skilled person to understand the principle of the method of the present invention, a unique identifier that can be used as an "identity card" of the small package is deployed on a certain surface or all surfaces of the small package, where the unique identifier may be an RFID, a two-dimensional code, an NFC tag, or other uniquely-labeled identifier, and the identifier represents a unique code of the small package. In this embodiment, an RFID is adopted, that is, an RFID tag is added to any one of six surfaces of a small bag to serve as an information carrier for identifier resolution, and this embodiment is only to help technicians to understand the technical solution more intuitively, and in an actual process, several identifiers are not limited to be printed on several surfaces, but the identifiers must be completely consistent.
In this example, the visual appearance detection device selects a device or equipment based on the CCD principle on the premise that the RFID unique identifier is determined to be used, and the identifier resolution device employs an RFID code reader.
In this embodiment, a method for monitoring the state of a visual appearance inspection device in an online production process of a cigarette packer, please refer to fig. 1, which specifically includes the following steps:
step 1), completing self-checking of a control system of a packaging machine, completing self-checking of a visual appearance detection device, and starting packaging equipment;
step 2) the tobacco bale is transported to a process step provided with a visual appearance detection device and an identification analysis device, the visual appearance detection device shoots an image of the bale, and the identification analysis device reads identification information of the bale and stores the identification information in a central control system;
step 3) the central control system associates the image and the identification information of each packet, if the read RFID information of a certain packet of cigarette is yuoop 98765, the picture stored in the central control system by the visual appearance detection device in the step 2 is named yuoop 98765 OK (NOK) jpg, and so on, namely the name of each picture contains the identification information, the image file is stored in a hard disk, and the information is recorded in an information table, as shown in the attached figure 4; at the moment, if the appearance detection result of the cigarette packet is normal, the cigarette packet should enter the next procedure; if the detection is abnormal, the picture and the information record named by the packet identification information are rejected at the position, however, whether the picture and the information record are normal or not;
step 4), the small packages are transferred to the last step before entering the large package, and a repeated reading identification analysis device is deployed at the last step, and identification information of each small package is sequentially read and stored in a central control system;
step 5) the central control system searches the identification information read in the step 4) to the pictures and the information stored in the step 3) one by one, and if the information can be matched, the appearance detection device works normally; if 1 piece of information cannot be retrieved, the appearance detection device is indicated to be sporadically missed; if continuous information is not retrieved, the appearance detection device generates continuity failure;
step 6) writing the monitoring result into an information table for information tracing, specifically referring to fig. 4.
Claims (5)
1. The method for monitoring the state of the visual appearance detection device in the online production process of the cigarette packaging machine is characterized by comprising the following steps of:
step 1), completing self-checking of a control system of a packaging machine, completing self-checking of a visual appearance detection device, and starting packaging equipment;
step 2) the tobacco bale is transported to a process step provided with a visual appearance detection device and an identification analysis device, the visual appearance detection device shoots an image of the bale, and the identification analysis device reads identification information of the bale and stores the identification information in a central control system;
step 3) the central control system associates the image and the identification information of each packet, the name of each image contains the identification information, and the image file is stored and the information is recorded in an information table; if the appearance detection result of the tobacco bale is normal, the tobacco bale enters the next procedure; if the detection is abnormal, the small packet is removed; whether the packet is normal or not, pictures and information records named by the packet identification information should exist;
step 4), the small packages are transferred to the last step before entering the large packages, and a repeated reading identification analysis device is deployed at the last step, so that the identification information of each small package is sequentially read and stored in a central control system;
step 5) the central control system searches the identification information read in the step 4) to the pictures and the information stored in the step 3) one by one, and if the information can be matched, the appearance detection device works normally; if 1 piece of information cannot be retrieved, the appearance detection device is indicated to be sporadically missed; if continuous information is not retrieved, the appearance detection device generates continuity failure;
and 6) writing the monitoring result into an information table so as to facilitate information tracing.
2. The method of claim 1, wherein the identifier is an RFID, two-dimensional code, or NFC tag.
3. The method of claim 1, wherein the visual appearance inspection device is installed in the same process step as the logo resolution device.
4. Cigarette packagine machine on-line production process visual appearance detection device state monitoring system, its characterized in that, this system includes:
visual appearance inspection means mounted upstream of the packaging machine for taking images of the packets;
the identification analysis device and the repeated reading identification analysis device are arranged in the same working step, and the repeated reading identification analysis device is arranged in the last working step before the small packet is transported to enter the large packet and is used for reading the identification information of the small packet;
the central control system is used for associating the image of each packet with the identification information read by the identification analysis device, the name of each picture contains the identification information, an image file is stored, and the information is recorded in an information table; if the appearance detection result of the tobacco bale is normal, the tobacco bale enters the next procedure; if the detection is abnormal, the picture and the information record named by the packet identification information are rejected at the position, however, whether the picture and the information record are normal or not;
the central control system searches the identification information read by the repeated identification analysis device one by one with the stored pictures and information, and if the information can be matched, the appearance detection device is indicated to work normally; if 1 piece of information cannot be retrieved, the appearance detection device is indicated to be sporadically missed; if continuous information is not retrieved, the appearance detection device is indicated to generate continuity failure.
5. The system of claim 4, wherein the identifier is an RFID, two-dimensional code, or NFC tag.
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